fs/proc/version_signature.c

   1 #include <linux/fs.h>
   2 #include <linux/init.h>
   3 #include <linux/kernel.h>
   4 #include <linux/proc_fs.h>
   5 #include <linux/seq_file.h>
   6 #include <linux/utsname.h>
   7
   8 static int version_signature_proc_show(struct seq_file *m, void *v)
   9 {
  10         seq_printf(m, "%s\n", CONFIG_VERSION_SIGNATURE);
  11         return 0;
  12 }
  13
  14 static int version_signature_proc_open(struct inode *inode, struct file *file)
  15 {
  16         return single_open(file, version_signature_proc_show, NULL);
  17 }
  18
  19 static const struct file_operations version_signature_proc_fops = {
  20         .open           = version_signature_proc_open,
  21         .read           = seq_read,
  22         .llseek         = seq_lseek,
  23         .release        = single_release,
  24 };
  25
  26 static int __init proc_version_signature_init(void)
  27 {
  28         proc_create("version_signature", 0, NULL, &version_signature_proc_fops);
  29         return 0;
  30 }
  31 module_init(proc_version_signature_init);